Key result
Hypothermic cardiopulmonary bypass was associated with increased middle cerebral artery blood velocity postoperatively compared to baseline (P<0.05), correlating with raised temperature.
Why the study?
Does hypothermic cardiopulmonary bypass affect cerebral blood flow during the first 24 postoperative hours?
Population
23 patients undergoing cardiopulmonary bypass (CPB)
Comparison
Hypothermic cardiopulmonary bypass (CPB) vs Preoperative baseline (T0)
Design
Cohort
Follow-up
24 postoperative hours
Authors
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May warrant closer postoperative cerebral monitoring after CPB; leaves open questions on duration and neurological sequelae.
Observational (n=23)
Does hypothermic cardiopulmonary bypass affect cerebral blood flow during the first 24 postoperative hours?
p-value: p=<0.05
Hypothermic cardiopulmonary bypass is associated with a postoperative increase in cerebral blood flow that correlates with raised temperature and PaCO2, but not with decreased hematocrit.
Bendjelid et al. (2003) conducted an observational in Patients undergoing cardiopulmonary bypass (n=23). Hypothermic cardiopulmonary bypass vs. Preoperative baseline was evaluated on Blood velocity in the middle cerebral artery (MVMCA) (p=<0.05). Hypothermic cardiopulmonary bypass was associated with increased middle cerebral artery blood velocity postoperatively compared to baseline (P<0.05), correlating with raised temperature.
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